CVE-2025-42999

critical

Description

SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.

References

https://www.darkreading.com/cyberattacks-data-breaches/critical-sap-vulns-under-exploitation

https://securityaffairs.com/181325/security/exploit-weaponizes-sap-netweaver-bugs-for-full-system-compromise.html

https://www.securityweek.com/new-exploit-poses-threat-to-sap-netweaver-instances/

https://www.infosecurity-magazine.com/news/sap-netweaver-flaw-exploit-released/

https://thehackernews.com/2025/08/public-exploit-for-chained-sap-flaws.html

https://securityaffairs.com/177962/hacking/u-s-cisa-adds-google-chromium-draytek-routers-and-sap-netweaver-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.securityweek.com/ransomware-groups-chinese-apts-exploit-recent-sap-netweaver-flaws/

https://www.cisa.gov/news-events/alerts/2025/05/15/cisa-adds-three-known-exploited-vulnerabilities-catalog

https://www.infosecurity-magazine.com/news/microsoft-seven-zerodays-may-patch/

https://www.bleepingcomputer.com/news/security/ransomware-gangs-join-ongoing-sap-netweaver-attacks/

https://thehackernews.com/2025/05/bianlian-and-ransomexx-exploit-sap.html

https://www.bleepingcomputer.com/news/security/sap-patches-second-zero-day-flaw-exploited-in-recent-attacks/

https://www.securityweek.com/sap-patches-another-critical-netweaver-vulnerability/

https://thehackernews.com/2025/05/china-linked-apts-exploit-sap-cve-2025.html

https://url.sap/sapsecuritypatchday

https://me.sap.com/notes/3604119

Details

Source: Mitre, NVD

Published: 2025-05-13

Updated: 2025-05-16

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.0005

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest

Detections

Analytics